current community

your communities

more stack exchange communities

Stack Exchange
tour help
careers 2.0
Take the 2-minute tour ×
Stack Overflow is a question and answer site for professional and enthusiast programmers. It's 100% free, no registration required.
up vote 0 down vote favorite

I want to use the current array to be the output array of the blur operation made in the frame image and im getting this error:

TypeError: <unknown> is not a numpy array

I already checked and both are arrays of the same size and type, I dont understand why this is happening.

Part of the code:

previous = np.zeros((frameHeight,frameWidth,3),np.uint8) #blank image with 640x480 and 3 channels
difference = np.zeros((frameHeight,frameWidth,3),np.uint8)
current = np.zeros((frameHeight,frameWidth,3),np.uint8)

while True:
    # Capture a frame
    flag,frame = capture.read()
    cv2.flip(frame, flipCode=1)

    # Difference between frames
    cv2.blur(frame, current, (15,15))
share|improve this question
add comment

2 Answers

up vote 1 down vote accepted

The arguments to cv2.blur, as described in the documentation, are the following:

cv2.blur(src, ksize[, dst[, anchor[, borderType]]]) → dst

So, I think you meant

current= cv2.blur(frame, (15,15))
share|improve this answer
    
oh thanks!! I was used to use the older one the cv one instead of cv2, and then I do mistakes like this.. Thanks for the help –  Cap.Alvez Jan 25 '13 at 2:54
1  
@user1832231 No problem. If there's nothing to add to the answer, make sure to mark it as accepted (there's a green checkbox next to it). Since you're just getting started here on SO, you may want to read the faq –  goncalopp Jan 25 '13 at 3:00
add comment
up vote 0 down vote

Probably you have open the image using cv.CreateImage instread of cv2.imread You can use imwrite only if you have opened image using imread.

share|improve this answer
add comment

Your Answer

 
discard

By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.